.tab-container {
  height: 160px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;

  &-content {
    height: 70px;
    width: 750px;
    border: 1px solid #000;

    ul {
      margin: 0;
      padding: 0;
      display: flex;

      li {
        width: 250px;
        height: 68px;
      }
    }

    &-item-one {
      position: relative;

      .square-one {
        position: absolute;
        top: 0;
        left: 249px;
        height: 0;
        width: 0;
        border-top: 34px solid transparent;
        border-left: 26px solid #fff;
        border-right: 0px solid transparent;
        border-bottom: 34px solid transparent;
      }

      .square-two {
        position: absolute;
        top: 0;
        left: 499px;
        height: 0;
        width: 0;
        border-top: 34px solid transparent;
        border-left: 26px solid #1890ff;
        border-right: 0 solid transparent;
        border-bottom: 34px solid transparent;
      }
    }

    &-item-two {
      background-color: #1890ff;
      padding-left: 60px;
    }

    &-item-three {
      padding-left: 60px;
    }
  }
}
